For the Given Arithmetic Series, What Is $\mathrm { S } _ { \mathrm { n } } ?$

question 50

Multiple Choice

For the given arithmetic series, what is $\mathrm { S } _ { \mathrm { n } } ?$
- $a _ { 1 } = 21 , d = - 3$ , and $n = 17$

• A) \(- 204\)
• B) \(- 51\)
• C) \(- 102\)
• D) \(- 30\)

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